OnePlus 13 vs Samsung Galaxy A51
The OnePlus 13 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A51 (2020) runs on the Exynos 9611; launch prices were $899 and $399. By overall MobileRank rating, the OnePlus 13 leads — 84/100 vs 34/100 (a 50-point difference). Key differences: the OnePlus 13 has the bigger battery (6000 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus 13 is faster in AnTuTu (3,145,582 vs 355,351); the Samsung Galaxy A51 is noticeably lighter (172g vs 213g).
Profile comparison
Category scores
OnePlus 13
Samsung Galaxy A51
What makes OnePlus 13 better?
- Higher AnTuTu: 3145582 vs 355351
- Better Geekbench Single: 3050 vs 365
- Better Geekbench Multi: 9700 vs 1107
- Bigger battery: 6000 vs 4000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (92/100 vs 25/100)
- Better camera (78/100 vs 36/100)
- Longer battery life (83/100 vs 25/100)
- Better display (89/100 vs 51/100)
What makes Samsung Galaxy A51 better?
- Lighter: 172g vs 213g
- Cheaper at launch: $399 vs $899
- Better portability (77/100 vs 46/100)
Comparison verdict
Comparing the OnePlus 13 vs the Samsung Galaxy A51, the OnePlus 13 scores 50 points higher (84/100 vs 34/100). In the "performance" category, the OnePlus 13 leads (92/100 vs 25/100). In the "camera" category, the OnePlus 13 leads (78/100 vs 36/100). In the "battery" category, the OnePlus 13 leads (83/100 vs 25/100). Value score: OnePlus 13 — 80/100, Samsung Galaxy A51 — 0/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus 13 significantly outperforms the Samsung Galaxy A51 (92/100 vs 25/100). In the "display" category, the OnePlus 13 significantly outperforms the Samsung Galaxy A51 (89/100 vs 51/100). In the "camera" category, the OnePlus 13 significantly outperforms the Samsung Galaxy A51 (78/100 vs 36/100). In the "battery" category, the OnePlus 13 significantly outperforms the Samsung Galaxy A51 (83/100 vs 25/100). In the "portability" category, the Samsung Galaxy A51 significantly outperforms the OnePlus 13 (77/100 vs 46/100).
Specs comparison
| Specification | OnePlus 13 | Samsung Galaxy A51 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Exynos 9611 | |
| AnTuTu | 3145582 | 355351 | |
| Geekbench Single | 3050 | 365 | |
| Geekbench Multi | 9700 | 1107 | |
| Display | 6.8" LTPO AMOLED | 6.5" AMOLED | |
| Resolution | 3168x1440 | — | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 6000 mAh | 4000 mAh | |
| Charging | 100W | — | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 4GB / 6GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 15 / OxygenOS 15 | — | |
| Brightness (peak) | 4500 nits | — | |
| NFC | yes | yes | |
| Protection | IP69 | — | |
| Dimensions | 162.9×76.5×8.5 mm | 158.5×73.6×7.9 mm | |
| Weight | 213 g | 172 g | |
| Launch price | $899 | $399 |
Camera comparison
OnePlus 13
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
Display comparison
OnePlus 13
- 6.8" LTPO AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
Battery and charging
OnePlus 13
- 6000 mAh
- NanoReview test: web browsing 13:42 hrs, total 31:17 hrs
- Wired: 100W
- Wireless: 50W
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
Overall performance score
We compared OnePlus 13 and Samsung Galaxy A51, covering their specs and all relevant benchmarks.
OnePlus 13 leads Samsung Galaxy A51 by 785.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $500. Samsung Galaxy A51 was $500 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 13 significantly outperforms the Samsung Galaxy A51 (92/100 vs 25/100).
display
In the "display" category, the OnePlus 13 significantly outperforms the Samsung Galaxy A51 (89/100 vs 51/100).
camera
In the "camera" category, the OnePlus 13 significantly outperforms the Samsung Galaxy A51 (78/100 vs 36/100).
battery
In the "battery" category, the OnePlus 13 significantly outperforms the Samsung Galaxy A51 (83/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A51 significantly outperforms the OnePlus 13 (77/100 vs 46/100).
Frequently asked questions
Which is better: the OnePlus 13 or the Samsung Galaxy A51?
The OnePlus 13 significantly outperforms the Samsung Galaxy A51 by 50 points (84/100 vs 34/100).
What is the rating of the OnePlus 13 and the Samsung Galaxy A51?
The OnePlus 13 has a MobileRank rating of 84/100, the Samsung Galaxy A51 — 34/100.
Which has the better camera: the OnePlus 13 or the Samsung Galaxy A51?
The OnePlus 13 leads on camera score (78/100 vs 36/100).
Which is more powerful: the OnePlus 13 or the Samsung Galaxy A51?
The OnePlus 13 leads on performance (92/100 vs 25/100).
Should you choose the OnePlus 13 over the Samsung Galaxy A51?
The OnePlus 13 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.